Used Freightliner 12 Speed Sleeper Semi Trucks For Sale

(844) 216-___ SHOW
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2018 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 12 Speed Dt12 Amt

$32,000 USD

696,700 Miles, Detroit DD15, 455 HP, DT12 Automated, Double Bunk, 3.08 Ratio, 13k Fronts, 40k Rears, Collision Mitigation, APU, Super Singles, Air Slide 5th Wheel, Air Ride, Aluminum Wheels,...

Condition	Used
Usage	696,733 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	KA5264
MLS Number	13644782
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 910-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$50,000 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Alum Wheels, Well Maintained Fleet Truck, Oil...

Condition	Used
Usage	500,111 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3650
MLS Number	13531496
Category	Sleeper Semi Trucks
Last Updated	2/7/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$44,000 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 626,906 miles, 455HP DD15AT Diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	626,906 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	324839
MLS Number	14128532
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Tampa, FL, US
Sold By	Penske Used Trucks

(833) 300-___ SHOW
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2017 Freightliner Cascadia 125 Sleeper Semi Truck - 62" Mid Roof Sleeper, Detroit 505HP, 12 Speed Automatic

$59,900 USD

Stock NumberC-32984, Year2017, ManufacturerFREIGHTLINER, ModelCASCADIA 125, ConditionUsed, Mileage768,892 mi, VIN1FUJGLDR8HLHX7641, Engine, Horsepower505 HP, Engine ManufacturerDETROIT,...

Condition	Used
Usage	768,892 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	62"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	C-32984
MLS Number	11611217
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2020 Freightliner Cascadia 116 Sleeper Semi Truck - 48" Mid Roof Sleeper, 450HP, 12 Speed Automatic

$68,999 USD

Condition	Used
Usage	497,015 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13 GHG'17 450/1625
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	275657
MLS Number	14127994
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Clarksville, IN, US
Sold By	Ryder

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 455HP, 12 Speed Automatic

$56,657 USD

Condition	Used
Usage	649,507 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	550666
MLS Number	14127993
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Atlanta, GA, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$61,167 USD

Condition	Used
Usage	478,488 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.23 ratio
Stock Number	875507
MLS Number	14127982
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Bensalem, PA, US
Sold By	Ryder

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $79,500 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 401,604 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	409,372 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	270427
MLS Number	14044107
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$50,500 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 777,256 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	777,256 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	UPP235653
MLS Number	14127762
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$87,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 285,004 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	285,728 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	438679
MLS Number	14127669
Category	Sleeper Semi Trucks
Last Updated	2/7/2026
Location	Dalton, GA, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$67,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 438,281 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	438,465 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	394377
MLS Number	13560462
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Melrose Park, IL, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $52,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 543,761 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	543,900 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	394370
MLS Number	13773325
Category	Sleeper Semi Trucks
Last Updated	2/8/2026
Location	Hueytown, AL, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $51,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 635,325 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	651,269 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	394096
MLS Number	13514147
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Carlisle, PA, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$58,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 580,214 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	580,220 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	394006
MLS Number	14015312
Category	Sleeper Semi Trucks
Last Updated	2/8/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$44,950 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K...

Condition	Used
Usage	487,691 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3450
MLS Number	14072162
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

$60,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 60" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	433,182 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	368961
MLS Number	14014349
Category	Sleeper Semi Trucks
Last Updated	2/10/2026
Location	Boaz, AL, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$53,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 545,659 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	545,689 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	366135
MLS Number	13883315
Category	Sleeper Semi Trucks
Last Updated	2/7/2026
Location	Jessup, PA, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

$66,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 342,388 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	342,555 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	352780
MLS Number	14065604
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Evansville, IN, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$48,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Alum Wheels, Well Maintained Fleet Truck, Oil...

Condition	Used
Usage	484,458 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3572
MLS Number	13907183
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$53,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	564,009 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	291379
MLS Number	14127091
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Delaware, OH, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$55,500 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 457,978 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	457,978 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	231257
MLS Number	14113807
Category	Sleeper Semi Trucks
Last Updated	2/7/2026
Location	Harrisonburg, VA, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 65" Condo Sleeper, 455HP, 12 Speed Automatic

$55,600 USD

Condition	Used
Usage	581,622 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	65"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	875245
MLS Number	14126109
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Phoenix, AZ, US
Sold By	Ryder

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 80" Condo Sleeper, 455HP, 12 Speed Automatic

$46,645 USD

Condition	Used
Usage	584,909 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	877983
MLS Number	14089811
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Springfield, MA, US
Sold By	Ryder

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 505HP, 12 Speed Automatic

$68,719 USD

Condition	Used
Usage	407,690 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15 GHG'17 505/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	806051
MLS Number	14126084
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Commerce City, CO, US
Sold By	Ryder